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Small-signal analysis of the lower-frequency power transfer model

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3 Author(s)
Runxin Wang ; Sch. of Electr. Eng., Xi''an Jiaotong Univ., Xi''an ; Jinjun Liu ; Hao Wang

This paper presents the most recent progress in deep research to the large-signal modeling technique for current-mode-controlled SMPS modules. The small-signal analysis to the lower-frequency power transfer model is carried out and the conclusion is obtained that the power stage model does not lose any small-signal information so the proposed large-signal simulation scheme is able to be used in small-signal analysis when the system under study reaches its steady state point. This conclusion is quite valuable in both theory and engineering practices.

Published in:

Power Electronics, 2007. ICPE '07. 7th Internatonal Conference on

Date of Conference:

22-26 Oct. 2007